I. ətˈhōm, Brit sometimes əˈtōm noun
: a reception given at one's home
if you are serving tea and chocolate and a variety of food … call it an at home — Emily Post
II. ətˈhōm sometimes chiefly Brit & NewEng əˈtōm phrasal
1.
a. : in one's own house or home
generally to be found at home in the morning
b. : ready to receive callers
the newly wed couple will be at home after June 15
2.
a. : in the country of origin : on the domestic front
totalitarianism is despotic at home and expansionist abroad — George Fischer
b. : in the mother country
people … at home and throughout the Commonwealth — Wendell Willkie
3.
a. : in a familiar or congenial relationship : relaxed and comfortable : at ease
a pleasant manner that soon made me feel at home
he is … at home among the diplomatic and fashionable circles — Peggy Durdin
b. : in harmony with the surroundings : acclimated to the environment
in the universities where basic research is most at home — M.H.Trytten
at home in surf, the young abound in rock pools — J.L.B.Smith
4. : on familiar ground : competent , knowledgeable
at home in Italian opera — George Jellinek
the sciences of biology and psychology in which the author is masterfully at home